import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login', '/auth-redirect'] // no redirect whitelist
export function _isMobile() {
  let flag = navigator.userAgent.match(/(phone|pad|pod|iPhone|iPod|ios|iPad|Android|Mobile|BlackBerry|IEMobile|MQQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|Symbian|Windows Phone)/i)
  return flag;
}
router.beforeEach(async(to, from, next) => {
  
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = sessionStorage.getItem('token')

  if (hasToken) {
   
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/dashboard' })
      NProgress.done() // hack:  #/pull/2939
    } else {
      next()
   
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
     
      // other pages that do not have permission to access are redirected to the login page.
      // next() 
     
      next(`/login?redirect=${to.path}`)

      NProgress.done()
    }
  }

})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
